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Window decorations on Linux: fixed behavior of maximize/restore button when tiling window to left or right half of screen (issue #647)

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Karl Tauber
2023-02-23 15:26:11 +01:00
parent 546382e471
commit 425f3acced
4 changed files with 101 additions and 13 deletions
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56
flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/SwingFrameStateTest.java Normal file
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package com.formdev.flatlaf.testing;
import java.awt.FlowLayout;
import java.awt.Frame;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import com.formdev.flatlaf.FlatLightLaf;
import com.formdev.flatlaf.util.SystemInfo;
public class SwingFrameStateTest
{
public static void main( String[] args ) {
SwingUtilities.invokeLater( () -> {
FlatLightLaf.setup();
if( SystemInfo.isLinux )
JFrame.setDefaultLookAndFeelDecorated( true );
JFrame frame = new JFrame( "SwingFrameStateTest" );
JButton restoreButton = new JButton( "Restore" );
JButton vertButton = new JButton( "Max. Vert." );
JButton horizButton = new JButton( "Max. Horiz." );
JButton bothButton = new JButton( "Max. Both" );
restoreButton.addActionListener( e -> frame.setExtendedState( 0 ) );
vertButton.addActionListener( e -> frame.setExtendedState( Frame.MAXIMIZED_VERT ) );
horizButton.addActionListener( e -> frame.setExtendedState( Frame.MAXIMIZED_HORIZ ) );
bothButton.addActionListener( e -> frame.setExtendedState( Frame.MAXIMIZED_BOTH ) );
JPanel panel = new JPanel( new FlowLayout() );
panel.add( restoreButton );
panel.add( vertButton );
panel.add( horizButton );
panel.add( bothButton );
JLabel stateInfo = new JLabel();
frame.addWindowStateListener( e -> {
int state = frame.getExtendedState();
stateInfo.setText( " state "
+ ((state & Frame.MAXIMIZED_VERT) != 0 ? "VERT " : "")
+ ((state & Frame.MAXIMIZED_HORIZ) != 0 ? "HORIZ " : "")
);
} );
panel.add( stateInfo );
frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
frame.getContentPane().add( panel );
frame.setSize( 700, 300 );
frame.setLocationRelativeTo( null );
frame.setVisible( true );
} );
}
}